81132828

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4451}}^1$

素因数の和:4503

約数の個数: 72

約数和(自身を含む): 227372544

約数和(自身を除く): 146239716

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 124, 147, 186, 196, 217, 294, 372, 434, 588, 651, 868, 1302, 1519, 2604, 3038, 4451, 4557, 6076, 8902, 9114, 13353, 17804, 18228, 26706, 31157, 53412, 62314, 93471, 124628, 137981, 186942, 218099, 275962, 373884, 413943, 436198, 551924, 654297, 827886, 872396, 965867, 1308594, 1655772, 1931734, 2617188, 2897601, 3863468, 5795202, 6761069, 11590404, 13522138, 20283207, 27044276, 40566414, 81132828]

約数ペア:

[(1, 81132828), (2, 40566414), (3, 27044276), (4, 20283207), (6, 13522138), (7, 11590404), (12, 6761069), (14, 5795202), (21, 3863468), (28, 2897601), (31, 2617188), (42, 1931734), (49, 1655772), (62, 1308594), (84, 965867), (93, 872396), (98, 827886), (124, 654297), (147, 551924), (186, 436198), (196, 413943), (217, 373884), (294, 275962), (372, 218099), (434, 186942), (588, 137981), (651, 124628), (868, 93471), (1302, 62314), (1519, 53412), (2604, 31157), (3038, 26706), (4451, 18228), (4557, 17804), (6076, 13353), (8902, 9114)]